21031485 (number)

21031485 is an odd 8-digits composite number following 21031484 and preceding 21031486. In scientific notation, it is written as 2.1031485 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors. There are 10847520 positive integers (up to 21031485) that are relatively prime to 21031485.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand four hundred eighty-five

Notation

Scientific notation 2.1031485 × 10^7
Engineering notation 2.1031485 × 10^6

Prime Factorization of 21031485

Prime Factorization 3 × 5 × 31 × 31 × 1459

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 678435
Product of the distinct prime numbers

The prime factorization of 21031485 is 3 × 5 × 31 × 31 × 1459. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 90, 63, 289, 939, 1890, 1966, 2066, 12661, 402931, 599392, 9323161, 9464372, 83097618, 77021392, 659460963, 849922153, 2804517971, 3911197488

Basic calculations (n = 21031485)

Multiplication

n×y
n×2 42062970
n×3 63094455
n×4 84125940
n×5 105157425

Division

n÷y
n÷2 10515742.5
n÷3 7010495
n÷3 5257871.25
n÷5 4206297

Exponentiation

ny
n2 442323361305225
n3 9.3027171384404E+21
n4 1.9564995595635E+29
n5 4.1148091139467E+36

Nth Root

y√n
2√n 4586.009703435
3√n 276.03022930817
4√n 67.720083457088
5√n 29.145666268772

Divisors of 21031485

1, 3, 5, 15, 31, 93, 155, 465, 961, 1459, 2883, 4377, 4805, 7295, 14415, 21885, 45229, 135687, 226145, 678435, 1402099, 4206297, 7010495, 21031485

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031484
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031485 can be divided by 24 positive divisors. The sum of these divisors (counting 21031485) is 1, the average is 0.041666666666667.

Base conversion 21031485

Base System Value
2 Binary 1010000001110101000111101
3 Ternary 1110120111202220
4 Quaternary 1100032220331
5 Quinary 20341001420
6 Senary 2030435553
8 Octal 120165075
10 Decimal 21031485
12 Duodecimal 7062bb9
16 Hexadecimal 140ea3d
20 Vigesimal 6b8ie5
36 Base36 cirzx

Cryptographic Hash Functions

md5 7b8d193e3f62061fa2829728d838c3fa
sha1 0d579b64d5a943530b4bc4bc9f6c903f361a37b8
sha256 55cc1f527fb1c90ab12bca0e0a29b847cee8dc58649b773da74904d2052537ff
sha512 2e3d9abf367dcb8e7d8d1dbdeb8c6be9a0ed7664c4c43d05c9a940ac48e1f58956d2fa20e74f4f07b5076d22e5e38948e89b397262fa3557159f2c446135c50a
ripemd-160 b7573dd140a6e9718a67129562f07af7fc68da6c

21031485 as geometric shapes

Circle

Radius = n
Diameter 42062970
Circumference 132144717.54017
Area 1.3895998223876E+15

Sphere

Radius = n
Volume 3.8967130427398E+22
Surface area 5.5583992895506E+15
Circumference 132144717.54017

Square

Length = n
Perimeter 84125940
Area 442323361305225
Diagonal 29743011.323846

Cube

Length = n
Surface area 2653940167831350
Volume 9.3027171384404E+21
Space diagonal 36427600.578623

Equilateral Triangle

Length = n
Perimeter 63094455
Area 1.9153163378882E+14
Altitude 18213800.289311

Triangular Pyramid

Length = n
Surface area 1.9153163378882E+14
Volume 1.0963357286753E+21
Height 9914337.1079488